File indexing completed on 2024-11-10 04:40:33

0001 /*
0002     SPDX-FileCopyrightText: 2008 Volker Krause <vkrause@kde.org>
0003 
0004     SPDX-License-Identifier: LGPL-2.0-or-later
0005 */
0006 
0007 #pragma once
0008 
0009 #include "akonadicore_export.h"
0010 #include "item.h"
0011 #include "job.h"
0012 
0013 namespace Akonadi
0014 {
0015 class Collection;
0016 class UnlinkJobPrivate;
0017 
0018 /**
0019  * @short Job that unlinks items inside the Akonadi storage.
0020  *
0021  * This job allows you to remove references to a set of items in a virtual
0022  * collection.
0023  *
0024  * Example:
0025  *
0026  * @code
0027  *
0028  * // Unlink the given items from the given collection
0029  * const Akonadi::Collection virtualCollection = ...
0030  * const Akonadi::Item::List items = ...
0031  *
0032  * Akonadi::UnlinkJob *job = new Akonadi::UnlinkJob( virtualCollection, items );
0033  * connect( job, SIGNAL(result(KJob*)), SLOT(jobFinished(KJob*)) );
0034  *
0035  * ...
0036  *
0037  * MyClass::jobFinished( KJob *job )
0038  * {
0039  *   if ( job->error() )
0040  *     qDebug() << "Error occurred";
0041  *   else
0042  *     qDebug() << "Unlinked items successfully";
0043  * }
0044  *
0045  * @endcode
0046  *
0047  * @author Volker Krause <vkrause@kde.org>
0048  * @since 4.2
0049  * @see LinkJob
0050  */
0051 class AKONADICORE_EXPORT UnlinkJob : public Job
0052 {
0053     Q_OBJECT
0054 public:
0055     /**
0056      * Creates a new unlink job.
0057      *
0058      * The job will remove references to the given items from the given collection.
0059      *
0060      * @param collection The collection from which the references should be removed.
0061      * @param items The items of which the references should be removed.
0062      * @param parent The parent object.
0063      */
0064     UnlinkJob(const Collection &collection, const Item::List &items, QObject *parent = nullptr);
0065 
0066     /**
0067      * Destroys the unlink job.
0068      */
0069     ~UnlinkJob() override;
0070 
0071 protected:
0072     void doStart() override;
0073     bool doHandleResponse(qint64 tag, const Protocol::CommandPtr &response) override;
0074 
0075 private:
0076     Q_DECLARE_PRIVATE(UnlinkJob)
0077     template<typename T>
0078     friend class LinkJobImpl;
0079 };
0080 
0081 }